Github user gurvindersingh commented on a diff in the pull request:
https://github.com/apache/spark/pull/13950#discussion_r68886448
--- Diff: core/src/main/scala/org/apache/spark/deploy/master/Master.scala
---
@@ -127,7 +128,14 @@ private[deploy] class Master(
logInfo(s"Running Spark version ${org.apache.spark.SPARK_VERSION}")
webUi = new MasterWebUI(this, webUiPort)
webUi.bind()
- masterWebUiUrl = "http://"; + masterPublicAddress + ":" +
webUi.boundPort
+ if (reverseProxy) {
+ masterWebUiUrl = conf.get("spark.ui.reverseProxyUrl", null)
--- End diff --
It is used in case when you are running spark master itself behind a proxy
e.g. Oauth2 to provide authentication/authorization. Its to make sure "Back to
Master" link works when you are on workers UI.
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